The st'udent-teacher learning pmcess is inherently a feedback pmcess 'intended to re&uce the system erToT to a minirnum. The desired outp1tl is knowledge being studied, and the student can be considered the pmcess. ConstTvct a feedback contml system block diagram and identify the control blocks (sensor, actuator, process, contToller, actual output, awl desired output) of the system.